using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Shapes;
using ComPDFKit.PDFAnnotation;
using ComPDFKit.PDFAnnotation.Form;
using ComPDFKit.PDFDocument.Action;
using ComPDFKitViewer;
using ComPDFKitViewer.AnnotEvent;

namespace ComPDFKitDemo.WidgetForm
{
    public partial class PushButtonFormProperty : Window
    {
        public WidgetAttribEvent CurrentAttribEvent;
        public PushButtonFormProperty()
        {
            InitializeComponent();
        }

        private void NavClick(object sender, MouseButtonEventArgs e)
        {
            foreach (TextBlock child in FormStack.Children)
            {
                child.Foreground = Brushes.Black;
                child.Background = Brushes.Transparent;
            }
            TextBlock clickBlock = sender as TextBlock;
            clickBlock.Background = new SolidColorBrush(Color.FromRgb(0xD1, 0xE2, 0xF2));
            RegularPanel.Visibility = Visibility.Collapsed;
            AppearancePanel.Visibility = Visibility.Collapsed;
            OptionPanel.Visibility = Visibility.Collapsed;

            switch (clickBlock.Tag.ToString())
            {
                case "Regular":
                    RegularPanel.Visibility = Visibility.Visible;
                    break;
                case "Appearance":
                    AppearancePanel.Visibility = Visibility.Visible;
                    break;
                case "Option":
                    OptionPanel.Visibility = Visibility.Visible;
                    break;
                default:
                    break;
            }
        }

        public void SetFormData(WidgetAttribEvent annotEvent)
        {
            if (annotEvent != null)
            {
                FontStyleBox.SelectedIndex = 0;
                bool hideOptions = true;
                foreach (AnnotAttrib attr in annotEvent.Attribs.Keys)
                {
                    switch (attr)
                    {
                        case AnnotAttrib.FieldName:
                            GroupNameText.Text = annotEvent.Attribs[attr].ToString();
                            break;
                        case AnnotAttrib.Color:
                            BorderColorPicker.SelectedColor = (Color)annotEvent.Attribs[attr];
                            break;
                        case AnnotAttrib.FillColor:
                            FillColorPicker.SelectedColor = (Color)annotEvent.Attribs[attr];
                            break;
                        case AnnotAttrib.FontFamily:
                            List<string> fontFamilyList = new List<string>() { "Helvetica", "Courier", "Times" };
                            string currentFont = annotEvent.Attribs[attr].ToString();
                            FontFamilyBox.SelectedIndex = -1;
                            for (int i = 0; i < fontFamilyList.Count; i++)
                            {
                                if (fontFamilyList[i].ToLower().Contains(currentFont.ToLower()))
                                {
                                    FontFamilyBox.SelectedIndex = i;
                                }
                            }
                            break;
                        case AnnotAttrib.FontSize:
                            FontSizeBox.Text = annotEvent.Attribs[attr].ToString();
                            break;
                        case AnnotAttrib.FontColor:
                            {
                                FontColorPicker.SelectedColor = (Color)annotEvent.Attribs[attr];
                            }
                            break;
                        case AnnotAttrib.FontStyle:
                            {
                                FontStyle currentStyle = (FontStyle)annotEvent.Attribs[attr];
                                if (currentStyle == FontStyles.Italic)
                                {
                                    FontStyleBox.SelectedIndex = FontStyleBox.SelectedIndex + 1;
                                }
                            }
                            break;
                        case AnnotAttrib.FontWeight:
                            {
                                FontWeight currentWeight = (FontWeight)annotEvent.Attribs[attr];
                                if (currentWeight == FontWeights.Bold)
                                {
                                    FontStyleBox.SelectedIndex = FontStyleBox.SelectedIndex + 1;
                                }
                            }
                            break;
                        case AnnotAttrib.Thickness:
                            ThicknessText.SelectedIndex = Convert.ToInt32(annotEvent.Attribs[attr])-1;
                            break;
                        case AnnotAttrib.LineStyle:
                            if ((C_BORDER_STYLE)annotEvent.Attribs[attr] == C_BORDER_STYLE.BS_DASHDED)
                            {
                                LineStyleBox.SelectedIndex = 1;
                            }
                            else
                            {
                                LineStyleBox.SelectedIndex = 0;
                            }
                            break;
                        case AnnotAttrib.Locked:
                            {
                                LockBox.IsChecked = (bool)annotEvent.Attribs[attr] == true;
                                EnableControls(!(LockBox.IsChecked == true));
                            }
                            break;
                        case AnnotAttrib.ReadOnly:
                            {
                                ReadOnlyBox.IsChecked = (bool)annotEvent.Attribs[attr] == true;
                            }
                            break;
                        case AnnotAttrib.FormField:
                            {
                                FormField field = (FormField)annotEvent.Attribs[attr];
                                FormFieldBox.SelectedIndex = (int)field;
                            }
                            break;
                        case AnnotAttrib.Text:
                            TextContentBox.Text = (string)annotEvent.Attribs[attr];
                            hideOptions = false;
                            break;
                        case AnnotAttrib.FormAction:
                            {
                                Dictionary<C_ACTION_TYPE, string> ActionDict = (Dictionary<C_ACTION_TYPE, string>)annotEvent.Attribs[attr];
                                foreach (C_ACTION_TYPE key in ActionDict.Keys)
                                {
                                    if (key == C_ACTION_TYPE.ACTION_TYPE_GOTO)
                                    {
                                        ActionBox.SelectedIndex = 0;
                                        ActionText.Text = ActionDict[key];
                                        break;
                                    }
                                    if (key == C_ACTION_TYPE.ACTION_TYPE_URI)
                                    {
                                        ActionBox.SelectedIndex = 1;
                                        ActionText.Text = ActionDict[key];
                                        break;
                                    }
                                }
                                hideOptions = false;
                            }
                            break;
                        default:
                            break;
                    }
                }

                OptionRadio.Visibility = hideOptions == false ? Visibility.Visible : Visibility.Collapsed;
                OptinTab.Visibility = hideOptions == false ? Visibility.Visible : Visibility.Collapsed;

                if (hideOptions)
                {
                    foreach (UIElement child in OptionPanel.Children)
                    {
                        child.Visibility = Visibility.Collapsed;
                    }
                    OptinTab.Visibility = Visibility.Collapsed;
                }
            }
        }

        private void GroupNameText_TextChanged(object sender, TextChangedEventArgs e)
        {
            if (GroupNameText.Text.Length > 0)
            {
                CurrentAttribEvent?.UpdateAttrib(AnnotAttrib.FieldName, GroupNameText.Text);
                CurrentAttribEvent?.UpdateAnnot();
            }
        }
        private void BorderColorPicker_SelectedColorChanged(object sender, RoutedPropertyChangedEventArgs<Color?> e)
        {
            CurrentAttribEvent?.UpdateAttrib(AnnotAttrib.Color, e.NewValue);
            CurrentAttribEvent?.UpdateAnnot();
        }
        private void FillColorPicker_SelectedColorChanged(object sender, RoutedPropertyChangedEventArgs<Color?> e)
        {
            CurrentAttribEvent?.UpdateAttrib(AnnotAttrib.FillColor, e.NewValue);
            CurrentAttribEvent?.UpdateAnnot();
        }

        private void FontFamilyBox_SelectionChanged(object sender, SelectionChangedEventArgs e)
        {
            string fontName = (FontFamilyBox.SelectedItem as ComboBoxItem).Content.ToString();
            CurrentAttribEvent?.UpdateAttrib(AnnotAttrib.FontFamily, fontName);
            CurrentAttribEvent?.UpdateAnnot();
        }

        private void FontSizeBox_TextChanged(object sender, TextChangedEventArgs e)
        {
            int currentSize = 12;
            if (int.TryParse(FontSizeBox.Text, out currentSize))
            {
                CurrentAttribEvent?.UpdateAttrib(AnnotAttrib.FontSize, currentSize);
                CurrentAttribEvent?.UpdateAnnot();
            }
        }

        private void FontStyleBox_SelectionChanged(object sender, SelectionChangedEventArgs e)
        {
            switch (FontStyleBox.SelectedIndex)
            {
                case 0:
                    CurrentAttribEvent?.UpdateAttrib(AnnotAttrib.FontStyle, FontStyles.Normal);
                    CurrentAttribEvent?.UpdateAttrib(AnnotAttrib.FontWeight, FontWeights.Normal);
                    break;
                case 1:
                    CurrentAttribEvent?.UpdateAttrib(AnnotAttrib.FontStyle, FontStyles.Normal);
                    CurrentAttribEvent?.UpdateAttrib(AnnotAttrib.FontWeight, FontWeights.Bold);
                    break;
                case 2:
                    CurrentAttribEvent?.UpdateAttrib(AnnotAttrib.FontStyle, FontStyles.Italic);
                    CurrentAttribEvent?.UpdateAttrib(AnnotAttrib.FontWeight, FontWeights.Normal);
                    break;
                case 3:
                    CurrentAttribEvent?.UpdateAttrib(AnnotAttrib.FontStyle, FontStyles.Italic);
                    CurrentAttribEvent?.UpdateAttrib(AnnotAttrib.FontWeight, FontWeights.Bold);
                    break;
            }
            CurrentAttribEvent?.UpdateAnnot();
        }

        private void FontColorPicker_SelectedColorChanged(object sender, RoutedPropertyChangedEventArgs<Color?> e)
        {
            CurrentAttribEvent?.UpdateAttrib(AnnotAttrib.FontColor, e.NewValue);
            CurrentAttribEvent?.UpdateAnnot();
        }

        private void TextContentBox_TextChanged(object sender, TextChangedEventArgs e)
        {
            CurrentAttribEvent?.UpdateAttrib(AnnotAttrib.Text, TextContentBox.Text.Trim());
            CurrentAttribEvent?.UpdateAnnot();
        }

        private void ThicknessText_SelectionChanged(object sender, SelectionChangedEventArgs e)
        {
            if (ThicknessText.SelectedIndex >= 0 && ThicknessText.SelectedIndex < 3)
            {
                CurrentAttribEvent?.UpdateAttrib(AnnotAttrib.Thickness, ThicknessText.SelectedIndex + 1);
                CurrentAttribEvent?.UpdateAnnot();
            }
        }

        private void LineStyleBox_SelectionChanged(object sender, SelectionChangedEventArgs e)
        {
            CurrentAttribEvent?.UpdateAttrib(AnnotAttrib.LineStyle, LineStyleBox.SelectedIndex == 0 ? C_BORDER_STYLE.BS_SOLID : C_BORDER_STYLE.BS_DASHDED);
            CurrentAttribEvent?.UpdateAnnot();
        }

        private void ActionAdd_Click(object sender, RoutedEventArgs e)
        {
            Dictionary<C_ACTION_TYPE, string> ActionDict = new Dictionary<C_ACTION_TYPE, string>();
            if (ActionBox.SelectedIndex == 0)
            {
                ActionDict[C_ACTION_TYPE.ACTION_TYPE_GOTO] = ActionText.Text;
            }
            if (ActionBox.SelectedIndex == 1)
            {
                ActionDict[C_ACTION_TYPE.ACTION_TYPE_URI] = ActionText.Text;
            }
            CurrentAttribEvent?.UpdateAttrib(AnnotAttrib.FormAction, ActionDict);
            CurrentAttribEvent?.UpdateAnnot();
        }

        private void ActionDel_Click(object sender, RoutedEventArgs e)
        {
            //CurrentAttribEvent?.UpdateAttrib(AnnotAttrib.FormAction, null);
            //CurrentAttribEvent?.UpdateAnnot();
        }

        public void EnableControls(bool isEnable)
        {
            GroupNameText.IsEnabled = isEnable;
            FormFieldBox.IsEnabled = isEnable;
            ReadOnlyBox.IsEnabled = isEnable;
            BorderColorPicker.IsEnabled = isEnable;
            ThicknessText.IsEnabled = isEnable;
            FillColorPicker.IsEnabled = isEnable;
            LineStyleBox.IsEnabled = isEnable;
            FontFamilyBox.IsEnabled = isEnable;
            FontSizeBox.IsEnabled = isEnable;
            FontStyleBox.IsEnabled = isEnable;
            FontColorPicker.IsEnabled = isEnable;
            TextContentBox.IsEnabled = isEnable;
            ActionBox.IsEnabled = isEnable;
            ActionText.IsEnabled = isEnable;
            OptionAddBtn.IsEnabled = isEnable;
        }

        private void LockBox_Checked(object sender, RoutedEventArgs e)
        {
            EnableControls(!(LockBox.IsChecked == true));
            CurrentAttribEvent?.UpdateAttrib(AnnotAttrib.Locked, (LockBox.IsChecked == true));
            CurrentAttribEvent?.UpdateAnnot();
        }

        private void ReadOnlyBox_Checked(object sender, RoutedEventArgs e)
        {
            CurrentAttribEvent?.UpdateAttrib(AnnotAttrib.ReadOnly, (ReadOnlyBox.IsChecked == true));
            CurrentAttribEvent?.UpdateAnnot();
        }

        private void FormFieldBox_SelectionChanged(object sender, SelectionChangedEventArgs e)
        {
            if (FormFieldBox.SelectedIndex != -1)
            {
                CurrentAttribEvent?.UpdateAttrib(AnnotAttrib.FormField, (FormField)FormFieldBox.SelectedIndex);
                CurrentAttribEvent?.UpdateAnnot();
            }
        }
    }
}